The change of prime minister should be the catalyst for a new strategy. What better way to show that Brexit Britain will embrace free‐​market dynamism than throwing off the current precautionary straitjacket, and taking a flexible, pro‐​freedom approach to electric scooter regulation?

The children who went on strike last week were right to argue that future generations get a raw deal in policymaking. But this is a structural flaw of government action that extends far beyond carbon emissions.